add 2960

Author: fishercoder1534

paginated_contents/algorithms/3rd_thousand/README.md

@@ -4,6 +4,7 @@
 | 2974 | [Minimum Number Game](https://leetcode.com/problems/minimum-number-game/)                                                                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2974.java)                                       |                                      | Easy                                     |
 | 2970 | [Count the Number of Incremovable Subarrays I](https://leetcode.com/problems/count-the-number-of-incremovable-subarrays-i/)                                                                                                         | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2970.java)                                       |                                      | Easy                                     |
 | 2965 | [Find Missing and Repeated Values](https://leetcode.com/problems/find-missing-and-repeated-values/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2965.java)                                       |                                      | Easy                                     |
+| 2960 | [Count Tested Devices After Test Operations](https://leetcode.com/problems/count-tested-devices-after-test-operations/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2960.java)                                       |                                      | Easy                                     |
 | 2942 | [Find Words Containing Character](https://leetcode.com/problems/find-words-containing-character/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2942.java)                                       |                                      | Easy                                     |
 | 2937 | [Make Three Strings Equal](https://leetcode.com/problems/make-three-strings-equal/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2937.java)                                       |                                      | Easy                                     |
 | 2932 | [Maximum Strong Pair XOR I](https://leetcode.com/problems/maximum-strong-pair-xor-i/)                                                                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2932.java)                                       |                                      | Easy                                     |

src/main/java/com/fishercoder/solutions/thirdthousand/_2960.java

@@ -0,0 +1,18 @@
+package com.fishercoder.solutions.thirdthousand;
+
+public class _2960 {
+    public static class Solution1 {
+        public int countTestedDevices(int[] batteryPercentages) {
+            int ans = 0;
+            for (int i = 0; i < batteryPercentages.length; i++) {
+                if (batteryPercentages[i] > 0) {
+                    ans++;
+                    for (int j = i + 1; j < batteryPercentages.length; j++) {
+                        batteryPercentages[j] = Math.max(0, batteryPercentages[j] - 1);
+                    }
+                }
+            }
+            return ans;
+        }
+    }
+}